Flush-tank valve.



R. K. CHASE. FLUSH TANK VALVE. APPLICATION FILED NOV. 20, 1916.

Patented May 22', 1917.

INC NORRlS PETERS 5-9., PHOTDJJYNO. WASHINGTON D. C, V

i RUDOLP K." CHASE, F SYRACUSE, NEW YORK.

FLUSH-TANK VALVE. 4

To all whom it may concern Be it known'that I, RUDOLPH K. CHASE, a

citizen of the United States, residing at Syracuse, in the county of Onondaga and State of New York, have invented certain new and. useful Improvements in Flush- TankValves, of which the following is a specification. v i

The present tribution and has particular. reference to new and useful improvements in flushtank end of the casing 13.

valves.

An object of my invention is to provide a valve of the class described which-will be moved to closed position with the pressure, ,1

that is,in the direction in which the liquid is flowing so as to prevent leakage. 7

Another object of my invention is to provide a valve of the class described which is strong and durable, effective in operation,

may be cheaply manufactured and installed and is capable of application to any standard flush tank Without material alteration of the tank structure or the fixtures thereof.

Otherobjects and advantages of my improved valve not appearing in the foregoing will become apparent from the following detailed description and the claims, taken with an inspection of the accompanying drawing, in which:

Figure 1 is a longitudinal sectional view of a flush tank showing my improved valve applied thereto; and I Fig. 2 is an enlarged vertical sectional view of my improvedvalve.

Referring more particularly to the drawing, wherein similar characters of reference designate like and corresponding parts throughout the various views, 10 designates the tank, the same being provided with the usual side and end walls 11 and bottom 12.

My improved valve embodies an expansion chamber 13 provided with a threaded inlet collar 14, the inner peripheral margin'of the outer end of said collar being beveled as at 15 to provide a valve seat. A conduit section 16 is provided, said section being mounted in the bottom 12 as at 17. An annular flange 18 adjacent the lower end of said conduit secs tion serves to provide watertight connection with the bottom 12. The upper end of the conduit section 16 is annularly enlarged as at 19 and internallythreaded to engage the collar 14 as indicated at 20. Theenlarged portion 19 forms a valve chamber in which a ball valve 21'is operable, said valve being Specification of Letters Patent.

invention relates to'water. dis- Patented May 22, 1917.

Application filed November 20, 1916. Serial No. 132,435.

suspended from the lower end of a rod 22,

said rodxiextending vertically through the' 'pivotalengagement with a rock arm 27, said rock arm having pivotal engagement as at 28 with a standard .29 mounted on the upper A second standard 30 is mounted on the upper end of the chamber 13 at a point opposite the standard 29, a float rod 31 being pivoted at 32 in said standard 30. A link 33 afl'ords connection between the free end of the rock arm 27 and said float rod 31. The floatrod is jointed as'at 34 sothat the sections thereof may be adjustably arranged to change theinterval of' operation of the float.

The floatis designated 35 fand is carried by the 'free ends of the rod 31. I

A-discharge elbow 36 is formed integrally with the chamber 13 and opens downwardly,

a conduit section 37 being in threaded engagement with the lower end of said elbow. Preferably, the free end of. the conduit section 37 should extend toa point below the lowest level of liquid in the tank, so that in .operationthe device will be practically noiseless and there will be no danger of splashing as now often occurs.

In' operation the float35 of course, will always follow the liquid level in the tank 10. A liquid supply conduit (not shown) is to be connectedv to the lower end of the conduit section 16, the direction of flow being upwardly through said conduit section. In operation, assuming that the tank is empty, the float 35 will be in the lowermost position and the valve 21 open.

As the liquid flows upwardly through the conduit section 16 the expansion chamber will become filled and the liquid pass out- Wardly through the elbow 36 and conduit section 37 to replenish the tank. As the float rises with the liquid level in the tank the rod 31, through the link 33 will act upon the rock arm.27 to raise the rod 22 thereby bringing the ball valve 21 into engagement with its seat 15. Of course, the'valve is not entirely closed until the required height of water level is reached. The height of liquid level and, consequently the amount of liquid deposited in the tank can be regulated by the angular relation of the sections of the float rod 31.

I desire to lay particular stress upon the arrangement of valve, particularly 'in that the same is moved to closed position with the direction: of flow instead of against the direction of flow as is now common. This tends to reduce the leakage and relieve strain upon the valve rod, float rod and the rock arm 27 and link 33. The only-conditions under which strain exists is when the valve is open which would be only temporarily. It will-also be apparent that the device may be quickly'and easily installed in any flush tank without altering the -structure of the tank or changing thepipe connections or fixtures in use therewith. The float rod can assume the positions ordina-rily taken by the float rods now in use and ard float rod and float. Idesire' to point out that the standard 29 as shown projects above the float rod in order toassist in guiding and reinforcing the same during operation.

From the above description taken 'inconnection with the accompanying drawing, it isthought that a clear and comprehensive understanding of the construction, operation and'advantagesof my invention may be had, and whileI have shown and 'described the device asembodying a specific structure, I desire that it be understood that such changes may be made in said structure as do not depart from: thespiritand scope of the inventionv as claimed.

Having thus fully described my invention, what I claim as new and desire to secure by Letters Patent, is:

1. A valve comprising a body having an expansion chamber, said chamber being-prothereof to engage said seat, a standard mounted on the upper end of said casing, a rock arm pivotally connected to sald rod midway-its ends, one end being in pivoted engagement with said standard, a second standard mounted on said chamber opposite thefirst said standard, afloat, an adjustable float rod having one end connected to the fl'oat and the opposite end connected to the second standard, and a link pivotally engaged with said float arm and the other end 1 pivotally connected with the free end of the will not consume more space than the standrock arm.

2. A valve comprlslng a body havmgan expansion chamber and an inlet opening through its lower end, said chamber being provided-with a"flange surrounding said opening having a valve seat, a conduit connecting said'flange with a sourceuof liquid "supply, a valve rod operable vertically throughsaid chamber and having a ball on the lower end thereof to engage said seat, a float rod' and float, said rod being pivoted upon the upperend of said chamber, a rock I armpivoted to the chamber, alink connecting said: rock arm with said float rod, said 'rock arm being connected with the upper end of'said valve rod, and an outlet forsaid "chamber;

In: testimony whereof, I aflix my signature hereto.

RUDOLPH K. CHASE.

Copies of this patent may be obtained for: five cents each, by addressing the Gnmmissioner otPatent:

washingtomibi G. 

